Scriber-gage.



W. E. BEECK.

SCRIBER GAGE- APPLICATION FILED MAR. 16, 1911.

Patented Apr. 9, 1918.

INVENTOR ,lfiEficcokl ATTORNEY UMTED @TATES FATENT @FFTQE.

WILLIAM E. BEECK, OF WILKINSBURG, PENNSYLVANIA.

SCRIBER-GAGE.

To all whom it may concern:

Be it known that 1, WILLIAM E. Bnncn, a subject of the Emperor ofGermany, residing at \Vilkinsburg, in the county of Allegheny and Stateof Pennsylvania, have invented new and useful Improvements inScriber-Gages, of which the following is a specification.

This invention relates to a scriber gage and has for its primary objectto provide a device of this character whereby a circular line may bescribed concentrically of a circular surface.

An object of the invention is to so construct the device that contactmay be accomplished between one element of the device and the circularsurface while at the same time preventing excess friction between thegage and contacting surface.

Besides the above my invention is distinguished in the manner ofbringing the rollers to one side of the rod so that the former may beproperly associated with the surface.

lVith these and other objects in view the invention will be betterunderstood from the following detail description taken in connectionwith the accompanying drawing wherein I Figure 1 is a plan view of thegage.

Fig. 2 is a side elevation of the bracket.

Fig. 3 is a detail view of one of the rollers.

Fig. & is a view of the rod.

Fig. 5 is a detail view of the sleeve.

Fig. 6 is a diagrammatic view illustrating one application of myinvention.

Again referring to the drawing the numeral 1 designates a rod which mayhave inscribed therein scale marks. One end has secured thereto ascriber 2 by means of the screw 3, mounted in one end of the rod.

The numeral 4 designates a bracket having a bore 5 in which is mounted asplit sleeve 6. This sleeve 6 receives the rod,and against Specificationof Letters Patent.

Application filed. Mar-oh 16, 1917. Serial No. 155,346.

this sleeve acts a thumb screw 7 threaded into the support by means ofwhich the bracket may be adjusted on the rod and rigidly held in anadjusted position.

This bracket is constructed to have its major portion disposed to oneside of the center of the rod as clearly shown in Fig. 2, and this majorportion has journaled therein rollers 8. These rollers are provided torun upon the circular surface as shown in Fig. 6 so as to minimizefriction.

It is of course to be understood that any other form of anti-frictionmay be used instead of the rollers 8, the sole purpose of which being toreduce frictional engagement between the bracket and a surface.

From the foregoing description taken in connection with the accompanyingdrawing it should be apparent that I provide a de- Vice which is simplein construction and may be manufactured and sold at a relatively lowcost, and capable of insuring the scribing of a circular lineconcentrically of a circular surface.

A very important feature of my device is that the construction andassociation of the parts allows the instrument to be used upon theexterior and interior surface of a pipe for the purpose of scribing aline for positioning the centers of the bolt holes in the flanges of apipe.

Having described my invention what I claim is A device of the classdescribed comprising a rod a scriber secured to one end thereof, abracket having a hole in its middle portion, rollers on the bracket oneach side of the center thereof, a split sleeve located in said hole andadapted to receive the rod, and a thumb screw carried by the bracket andadapted to clamp the sleeve to the rod.

In testimony whereof I afiix my signature.

WILLIAM E. BEEOK.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G.

